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Comparative analysis of chromosomal localization of ribosomal and telomeric DNA markers in three species of Pyrgomorphidae grasshoppers

by: Buleu, Olesya G.; Jetybayev, Ilyas Y.; Bugrov, Alexander G.

Publication date: 2017-9-12
Usage: Attribution 4.0 International
Topics: Pyrgomorphidae grasshoppers, karyotype, C-banding, FISH, 28S rDNA, telomeric DNA
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 11
Item Size: 11.6M

Abstract: The karyotypes of three species of Pyrgomorphidae grasshoppers were studied: Zonocerus elegans (Thunberg, 1815), Pyrgomorpha guentheri (Burr, 1899) and Atractomorpha lata (Mochulsky, 1866). Data on karyotypes of P. guentheri and Z. elegans are reported here for the first time. All species have karyotypes consisting of 19 acrocentric chromosomes in males and 20 acrocentric chromosomes in females (2n♂=19, NF=19; 2n♀=20, NF=20) and X0/XX sex determination system. A comparative analysis of the localization of C-heterochromatin, clusters of ribosomal DNA, and telomere repeats revealed inter-species diversity in these cytogenetic markers. These differences indicate that the karyotype divergence in the species studied is not associated with structural chromosome rearrangements, but with the evolution of repeated DNA sequences.
Addeddate: 2025-03-16 16:48:27
Bhl_virtual_titleid: 210879
Bhl_virtual_volume: v.11:no.4 (2017)
Call number: 10_3897_compcytogen_v11i4_14066
Call-number: 10_3897_compcytogen_v11i4_14066
Foldoutcount: 0
Genre: article
Identifier: comparativeanal11bule
Identifier-ark: ark:/13960/s2xfwv88rjt
Identifier-bib: 10_3897_compcytogen_v11i4_14066
Identifier-doi: 10.3897/compcytogen.v11i4.14066
Issue: 4
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 1.0000
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Ocr_parameters: -l eng
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Page_range: 601-611
Pages: 11
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: Comparative Cytogenetics 11(4)
Year: 2017